Timor-Leste is about 21 times smaller than Oman.

Oman is approximately 309,500 sq km, while Timor-Leste is approximately 14,874 sq km, making Timor-Leste 4.81% the size of Oman. Meanwhile, the population of Oman is ~5.5 million people (4.1 million fewer people live in Timor-Leste).
Tip: This to-scale comparison of Oman vs. Timor-Leste uses the Mercator projection, which distorts the size of regions near the poles.
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